Trook spent the past five years as the education director at ACES, according to its website. He also previously worked for ACES from 1996-2000 as a naturalist and teacher and held a bachelor’s degree from Stanford and a Master’s in Education from the University of California at Berkeley.

According to a preliminary report
from the Colorado Avalanche Information Center, Trook was buried in the avalanche while skiing with several others. A friend performed CPR on Trook, but it was unsuccessful.

The avalanche was reported just before 10:30 a.m. Twenty-six members of Mountain Rescue Aspen went to the site to retrieve Trook’s body, the Pitkin County Sheriff’s Office said.

Monday’s fatality is the second involving an avalanche so far this season in Colorado.

In total, 17 people have been caught in Colorado avalanches so far this season. Three were buried and two were killed. In the entirety of the 2017-18 season, 14 people were caught in avalanches, three were buried and three were killed.